Intersection
The intersection between two sets $A$ and $B$ is a set that contains all the elements that are in $A$ and in $B$. The intersection of sets $A$ and $B$ is denoted as $A \cap B = \{x | x \in A \text{ and } x \in B\}$.
The intersection between two sets $A$ and $B$ is a set that contains all the elements that are in $A$ and in $B$. The intersection of sets $A$ and $B$ is denoted as $A \cap B = \{x | x \in A \text{ and } x \in B\}$.